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authorGuanXuetao <gxt@mprc.pku.edu.cn>2011-01-15 11:08:09 +0100
committerGuanXuetao <gxt@mprc.pku.edu.cn>2011-03-17 02:19:05 +0100
commit7f509a9ef7af0d6ac852d49eb87ed2b9857821cc (patch)
treeb6e1eb8c435cf14ce5626a33ab2da36aee9f791c /Documentation/Smack.txt
parentasm-generic headers: add ftrace.h (diff)
downloadlinux-7f509a9ef7af0d6ac852d49eb87ed2b9857821cc.tar.xz
linux-7f509a9ef7af0d6ac852d49eb87ed2b9857821cc.zip
asm-generic headers: add arch-specific __strnlen_user calling in uaccess.h
This patch changes the implementation of strnlen_user in include/asm-generic/uaccess.h. Originally, it calls strlen() function directly, which may not correctly handle the access of user space in most mmu-enabled architectures. New __strnlen_user is added for using as an architecture specific function. Signed-off-by: Guan Xuetao <gxt@mprc.pku.edu.cn> Reviewed-by: Arnd Bergmann <arnd@arndb.de>
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